Improve ux for raid display

[remyleone]

$ scw dedibox raid get server-id=123617              
RaidArrays.0.RaidLevel          raid5
RaidArrays.0.Disks.0.ID         206817
RaidArrays.0.Disks.0.Connector  A
RaidArrays.0.Disks.0.Type       ssd
RaidArrays.0.Disks.0.Capacity   488 kB
RaidArrays.0.Disks.0.IsAddon    false
RaidArrays.0.Disks.1.ID         206818
RaidArrays.0.Disks.1.Connector  B
RaidArrays.0.Disks.1.Type       ssd
RaidArrays.0.Disks.1.Capacity   488 kB
RaidArrays.0.Disks.1.IsAddon    false
RaidArrays.0.Disks.2.ID         206819
RaidArrays.0.Disks.2.Connector  C
RaidArrays.0.Disks.2.Type       ssd
RaidArrays.0.Disks.2.Capacity   488 kB
RaidArrays.0.Disks.2.IsAddon    false